125 lines
3.9 KiB
C++
125 lines
3.9 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2001 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2004-2020 Apple Inc. All rights reserved.
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* (C) 2006 Alexey Proskuryakov (ap@nypop.com)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include "config.h"
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#include "HTMLOptGroupElement.h"
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#include "Document.h"
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#include "ElementAncestorIterator.h"
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#include "HTMLNames.h"
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#include "HTMLSelectElement.h"
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#include "RenderMenuList.h"
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#include "NodeRenderStyle.h"
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#include "StyleResolver.h"
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#include <wtf/IsoMallocInlines.h>
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#include <wtf/StdLibExtras.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLOptGroupElement);
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using namespace HTMLNames;
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inline HTMLOptGroupElement::HTMLOptGroupElement(const QualifiedName& tagName, Document& document)
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: HTMLElement(tagName, document)
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{
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ASSERT(hasTagName(optgroupTag));
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}
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Ref<HTMLOptGroupElement> HTMLOptGroupElement::create(const QualifiedName& tagName, Document& document)
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{
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return adoptRef(*new HTMLOptGroupElement(tagName, document));
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}
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bool HTMLOptGroupElement::isDisabledFormControl() const
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{
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return hasAttributeWithoutSynchronization(disabledAttr);
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}
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bool HTMLOptGroupElement::isFocusable() const
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{
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if (!supportsFocus())
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return false;
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// Optgroup elements do not have a renderer.
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auto* style = const_cast<HTMLOptGroupElement&>(*this).computedStyle();
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return style && style->display() != DisplayType::None;
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}
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const AtomString& HTMLOptGroupElement::formControlType() const
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{
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static MainThreadNeverDestroyed<const AtomString> optgroup("optgroup", AtomString::ConstructFromLiteral);
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return optgroup;
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}
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void HTMLOptGroupElement::childrenChanged(const ChildChange& change)
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{
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recalcSelectOptions();
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HTMLElement::childrenChanged(change);
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}
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void HTMLOptGroupElement::parseAttribute(const QualifiedName& name, const AtomString& value)
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{
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HTMLElement::parseAttribute(name, value);
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recalcSelectOptions();
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if (name == disabledAttr)
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invalidateStyleForSubtree();
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}
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void HTMLOptGroupElement::recalcSelectOptions()
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{
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if (auto selectElement = makeRefPtr(ancestorsOfType<HTMLSelectElement>(*this).first())) {
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selectElement->setRecalcListItems();
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selectElement->updateValidity();
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}
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}
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String HTMLOptGroupElement::groupLabelText() const
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{
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String itemText = document().displayStringModifiedByEncoding(attributeWithoutSynchronization(labelAttr));
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// In WinIE, leading and trailing whitespace is ignored in options and optgroups. We match this behavior.
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itemText = itemText.stripWhiteSpace();
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// We want to collapse our whitespace too. This will match other browsers.
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itemText = itemText.simplifyWhiteSpace();
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return itemText;
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}
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HTMLSelectElement* HTMLOptGroupElement::ownerSelectElement() const
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{
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return const_cast<HTMLSelectElement*>(ancestorsOfType<HTMLSelectElement>(*this).first());
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}
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bool HTMLOptGroupElement::accessKeyAction(bool)
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{
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RefPtr<HTMLSelectElement> select = ownerSelectElement();
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// send to the parent to bring focus to the list box
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if (select && !select->focused())
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return select->accessKeyAction(false);
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return false;
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}
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} // namespace
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